The company is looking to streamline its core business and is looking to focus and build on its collaboration service, Paper.
“Building new products is about learning as much as it’s about making,” Dropbox CEO Drew Houston and CTO Arash Ferdowsi said in the blog post announcement. “It’s also about tough choices. Over the past few months, we’ve increased our team’s focus on collaboration and simplifying the way people work together. In light of that, we’ve made the difficult decision to shut down Carousel and Mailbox.”